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Are United Motor Products distributors adjustable for Cam Retard?
I put the UMP distributor in the link below in a brand new GM Crate motor about a year ago in my 99 tahoe. The engine ran flawlessly for 10k miles, but suddenly started having hesitation, stumbling issues. With an old MT2500 scanner I checked the Cam Retard and it was reading -12 degrees. I...- Dean89
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- Replies: 8
- Forum: Engine Performance + Maintenance
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New 350HD Crate Engine - Additional Parts List
I purchased a new 350HD for my 99 Tahoe that has 250k miles on the original motor. I was wondering if someone would take a look at the parts list below and see if there is anything I should add/change to it. I'm just looking for a reliable engine with similar mpg to the original. The main...- Dean89
- Thread
- Replies: 9
- Forum: Engine Performance + Maintenance
